#include<bits/stdc++.h>
using namespace std;

using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main(){
	ll N;
    cin>>N;
    N+=2;
    cout<<99999999999999-N<<endl;
}